Yah, it looks like a deformed LZ. Ignoring the hook, the tail is somewhat characteristic. What does the sap smell like? Snap off a leaf and smell the end of the petiole or crush a leaf. It should have a faint smell of orange peel. Granted, there are a few other trees that have that orange peel smell (eg, the Coco cream), but that would be enough to give me confidence that it's a LZ.
You still have several months to go on that baby.